Anker SOLIX C800 Plus: Runtime & Specs

The Anker SOLIX C800 Plus is a 768 Wh LiFePO4 power station with 1,200 W of continuous AC output. It runs a typical full-size fridge for about 11 hours.

Capacity768 WhLiFePO4
Output1,200 Wsurge not published
Solar input300 W11–60 V
Weight24 lbnot expandable

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How long will the C800 Plus run your appliances?

Nonstop runtime for one device at a time, using typical US wattages and 85% inverter efficiency. Devices marked ✕ can't run on this model.

Estimated runtime by appliance for the Anker SOLIX C800 Plus
DeviceAvg drawRuntimeBar
LED light bulb9 W3 days
Phone charging10 W2.9 days
Wi-Fi router + modem15 W44 hours
Laptop50 W13 hours
CPAP + humidifier30 W22 hours
CPAP with heated humidifier + humidifier60 W11 hours
Starlink Standard90 W7.3 hours
TV100 W6.5 hours
Mini fridge29 W23 hours
Refrigerator58 W11 hours
Chest freezer29 W23 hours
Sump pump (1/3 HP)160 W4.1 hours Surge?
Sump pump (1/2 HP)210 W3.1 hours Surge?
Window AC225 W2.9 hours
Drip coffee maker1,000 W39 min
Microwave1,500 WToo much power
Space heater750 WToo much power
Well pump33 WNeeds 240 V

Surge? = this model has no published surge rating, so starting motors and compressors may or may not work. Fridges, freezers, pumps and AC units cycle on and off, so we use their average draw. Want a mix of devices on a schedule? Use the runtime calculator.

What the C800 Plus can't power

Solar charging time

Hours of good sun to charge from empty, assuming panels deliver 75% of their rating.

PanelsPower inHours of sun
100 W of panels75 W10 hours
200 W of panels150 W5.1 hours
300 W of panels225 W3.4 hours

Check panel voltage and wiring with the solar charging calculator.

Full specifications

Battery capacity768 Wh
Battery chemistryLiFePO4 (LFP)
Continuous AC output1,200 W
Surge (peak) outputNot published
SurgePad (heating devices)1,600 W
AC voltage120V
AC outlets5
USB-C ports2 (up to 100 W)
USB-A ports2
12 V car outletYes
Max solar input300 W
Solar voltage range11–60 V
Solar max current10 A
Max AC charging power1,100 W
AC charging time (maker claim)100% in 58 min (HyperFlash AC)
ExpandableNo
UPS / EPS switchover20 ms
Cycle life3,000 cycles
Weight24 lb
Warranty5 years

Notes: Model A1754. Marked 'Last Chance' on ankersolix.com (Sep 2026). AC charging 750W standard, 1,100W UltraFast. Built-in camping lights. Cycle-life % not stated.

Specs from Anker SOLIX's published documents, as of September 2026. Found an error? Tell us.

Sources
  1. ankersolix.com/C800-plus-c800-pps
  2. ankersolix.com/products/c800-plus

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Questions

How long will the Anker SOLIX C800 Plus run a refrigerator?
About 11 hours for a typical ENERGY STAR full-size fridge averaging 58 W, assuming 85% inverter efficiency. Older or larger fridges use more. Try your own numbers.
Can the Anker SOLIX C800 Plus run a microwave?
Not a full-size one. A typical 1,000 W microwave pulls about 1,500 W from the outlet, more than its 1,200 W continuous output. Its SurgePad mode is meant for simple heating devices, and microwaves may not work properly with it.
How long does the Anker SOLIX C800 Plus take to charge?
Anker SOLIX's published charging claim: “100% in 58 min (HyperFlash AC)”. Max AC charging power is 1,100 W. With solar, it accepts up to 300 W. With 300 W of panels that's roughly 3.4 hours of good sun from empty.
Is the Anker SOLIX C800 Plus expandable?
No. Its capacity is fixed at 768 Wh.
Does the Anker SOLIX C800 Plus work as a UPS?
Anker SOLIX lists a 20 ms switchover time, so it can keep devices like routers and computers running when the power drops. Check that your specific device tolerates the switch before relying on it for anything critical.